package 算法.手动输入数据练习;

import java.util.Scanner;

/**
 * @author coderFu
 * @create 2022/3/16
 */
public class CoderNumBreak2 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        while(sc.hasNext()){

            int a = sc.nextInt();
            int b = sc.nextInt();
            if(a==0 && b==0){
                break;
            }else{
                System.out.println(a+b);
            }
        }
    }
}
